src/main/java/Item/ItemStack.java

@@ -14,10 +14,6 @@ public record ItemStack(Item item, int quantity) {
         return quantity;
     }
 
-    public boolean isSingleItem() {
-        return quantity == 1;
-    }
-
     public int getWeight() {
         return item.getWeight() * quantity;
     }

src/main/java/Shared/LootTable.java

@@ -42,6 +42,8 @@ public class LootTable<T> {
             }
         }
         // Unreachable code. entries always have an entry or the class cant be instantiated.
+        // Cant put system into this state.
+        // only have a return here due to compiler requiring it.
         return null;
     }
 

src/test/java/BiomeTest.java

@@ -0,0 +1,15 @@
+import Shared.LootTable;
+import Terrain.Biome;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class BiomeTest {
+    @Test
+    void instantiates_with_name() {
+        var biome = Biome.COAST;
+
+        assertEquals("Coast", biome.getName());
+
+    }
+}

src/test/java/ItemStackTest.java

@@ -2,6 +2,8 @@ import Item.BasicItem;
 import Item.ItemStack;
 import org.junit.jupiter.api.Test;
 
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.instanceOf;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
@@ -19,9 +21,10 @@ public class ItemStackTest {
         ));
     }
 
+
     @Test
     void can_be_created_with_positive_quantity() {
         var i = new ItemStack(new BasicItem("id", "name", 5), 5);
-        assertEquals(5, i.getQuantity());
+        assertThat(i, instanceOf(ItemStack.class));
     }
 }

src/test/java/PlayerTest.java

@@ -34,6 +34,13 @@ class PlayerTest {
         assertFalse(p.isAlive());
     }
 
+    @Test
+    public void is_alive_if_has_health() {
+        var p = defaultPlayer();
+        p.setHealth(10);
+        assertTrue(p.isAlive());
+    }
+
     @Test
     void get_health_returns_health() {
         var p = defaultPlayer();